/* blades.css - Shutter Transition Effect */

.blades-section {
    /*min-height: 100vh;*/
    width: 100%;
    /*display: flex;*/
    /*align-items: center;*/
    /*justify-content: center;*/
    position: relative;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.01s ease;
    scroll-margin-top: 80px;
}

.blades-section.visible {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 768px) {
    .blades-section {
        scroll-margin-top: 70px;
    }
}

/* Optional: section background themes (you can remove or replace) */

/*
.section-theme-1 { background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 100%); }
.section-theme-2 { background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%); }
.section-theme-3 { background: linear-gradient(135deg, #1a0000 0%, #4a0010 50%, #2d0010 100%); }
.section-theme-4 { background: linear-gradient(135deg, #0a1a1a 0%, #0a2e2e 50%, #0a1f1f 100%); }
*/

/* Shutter overlays */
.blades-black-curtain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: black;
    z-index: 90;
    pointer-events: none;
    opacity: 1;
}

.blades-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 95;
    pointer-events: none;
    opacity: 1;
}

.blade {
    position: absolute;
    top: 0;
    height: 100%;
}

.blade-left {
    left: 0;
}

.blade-right {
    right: 0;
}

.blade img {
    height: 100%;
    width: auto;
    display: block;
}

/* Scroll to top button */
.blades-scroll-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(5px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 100;
    transition: all 0.3s ease;
    opacity: 0;
    visibility: hidden;
}

.blades-scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.blades-scroll-top:hover {
    background: rgba(255,255,255,0.4);
    transform: translateY(-3px);
}

.blades-scroll-top::before {
    content: '↑';
    color: white;
    font-size: 20px;
    font-weight: bold;
}